| |
used in photosensitive roll film
 Properties
| coagulate strength ( 6.67%) ≥ |
245g |
viscosity (6.67%60
11.5% H2O) mpa.s ≥ |
4.5 |
| viscosity degradation (6.67%, 37
24H) ≤ |
5% |
| PH (6.67%, 45) |
5.5-6.5 |
| moisture % ≤ |
12% |
| ash (650)
≤ |
1% |
| transmittance 450mm 620mm |
≥85% ≥95% |
| sulfur dioxide£¨SO2£©,mg/kg
≤ |
40 |
| isoelectric point |
4.7-5.0 |
| insoluble matter % ≤ |
0.02% |
| grease trough ≤ |
2unit/dm2 |
| Fe ≤ |
4mg/kg |
| Ca ≤ |
150mg/kg |
| Cu ≤ |
2mg/kg |
| Cl ≤ |
300mg/kg |
|
